package com.beans;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;

import javax.annotation.Resource;

@Controller
public class UserController3 {

    private UserService userService;

    @Resource// @Autowired 也支持
    public void setUserService(UserService userService) {
        this.userService = userService;
    }

    public void sayHi(){
        userService.sayHi();
    }
}
